When an elderly person is using the restroom.
Esp. when he/she is taking a long time.
Person 1: Do you have any idea where Grandpa is?
Person 2: No idea, he' been gone a while. Maybe he's aarping
June 22, 2011 Urban Word of the Day
When an elderly person, such as your grandfather, complains incessantly about nothing.
Grandpa ruined another family dinner by aarping the whole time about his bunions.